Q: Is 1,604,690 a Prime Number?
A: No, 1,604,690 is not a prime number.
A prime number is a natural number, greater than one, that can only be divided by 1 and itself.
The number 1604690 can be evenly divided by 1 2 5 10 37 74 185 370 4,337 8,674 21,685 43,370 160,469 320,938 802,345 and 1,604,690, with no remainder.
Since 1,604,690 cannot be divided by just 1 and 1,604,690, it is not a prime number.